This Method Call shall release the ControlGroup and issue a Call to the Lock Objects in each Folder for the ExitLock Method (see OPC 10000-100). It shall create the appropriate parameters for the ExitLock Method. It shall remove the Controls Reference from the ControlGroup.

It is recommended that this Method be restricted to Client connections that have the well-known Role ConnectionAdmin as defined in Clause 5.9.

The signature of this Method is specified below.

Signature

ReleaseControl (

);

The possible Method result codes are formally defined in Table 65.

Table 65 – ReleaseControl Method result codes

Result Code	Description
Bad_UserAccessDenied	The caller is not allowed to release control on the ControlGroup.

The ReleaseControl Method representation in the AddressSpace is formally defined in Table 66.

Table 66 – ReleaseControl Method AddressSpace definition

Attribute	Value
BrowseName	3:ReleaseControl
References	Node Class	BrowseName	DataType	TypeDefinition	Other
ConformanceUnits
UAFX IFunctionalEntity ControlGroups